Home > Td5 > Transfer box oil change? |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7664 |
Hi Mike, if its noisy something is not happy. Changing oil viscosity may mask it but it won't fix it.
Are you sure its the t box making the noise? Is it noisy under power, ciadting or on over run? Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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11th Oct 2020 4:53pm |
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Mike c Member Since: 11 Aug 2017 Location: Maldon, Essex Posts: 904 |
Its noisy under power, if you back off it stops, it's only got about 96000 on the clock otherwise great, the gearbox itself runs and changes lovely hence suspecting the transfer box as the noise generator. I have read a whiney transfer box is common though? I just wondered if the oil would make any difference.
Thanks Mike |
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11th Oct 2020 5:01pm |
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PCM Member Since: 25 Jan 2019 Location: North East Posts: 854 |
After many forum posts I went with Motul gear 300 in transfer gear and diffs.
Drives like a new motor. |
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11th Oct 2020 5:26pm |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7664 |
have you tried removing props one at a time to check its not diffs. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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12th Oct 2020 9:56am |
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Mike c Member Since: 11 Aug 2017 Location: Maldon, Essex Posts: 904 |
No I haven't tried this, obviously its something that will need further investigation. If it was the diffs though, wouldn't it do it all the time, so not just under load? I have depressed the clutch at that noisy speed briefly and the whine stops instantly
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12th Oct 2020 11:27am |
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Mike c Member Since: 11 Aug 2017 Location: Maldon, Essex Posts: 904 |
Hi, replying to my own post here, but what transfer box oil do you use, 75w 90w as per book or ep 80w 90w?
Thanks Mike |
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13th Oct 2020 5:49pm |
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miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1758 |
Personally I have a drum of cheap ep 80 90.
Seems to do the trick, Box whines, but it's done 230k and has run dry at least once in it's lifetime. |
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13th Oct 2020 8:53pm |
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ALIMIF Member Since: 02 Nov 2020 Location: YORKSHIRE Posts: 2 |
Have you had any problem since putting the Motul oil in, did it stop the whining |
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2nd Nov 2020 4:45pm |
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Mike c Member Since: 11 Aug 2017 Location: Maldon, Essex Posts: 904 |
Its weird, I went with the book 75w-90 for my 2004, yet my land rover indy who really knows his stuff and has been in the business for many years told me it's the wrong oil for the transfer box?
I pointed out that I ordered the oil as per book, but he said it will make it noisy, I think he has always stuck with the ep 80w90w for years for diffs and transfer box. There seems to be a mix of views on here. |
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2nd Nov 2020 5:35pm |
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